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铁路运输开行了重载列车,由于实行了双机车牵引,随着牵引电流的增大,旧的信号轨道抗流变压器已无法满足通过大电流的需要,抗牵引电流干扰的能力大大降低,信号设备故障时有发生,特别是在坡度大的山区路段尤为明显。为了解决这一问题,铁道部投资在襄渝线进行轨道电路抗干扰改造工程。本段管内的16个站在1996、1997年改造后效果显著,轨道电路故障大幅度降低。但随着新设备的投入使用,同时也暴露出了它的某些不足,我们在实践中逐步摸索出了解决
Due to the implementation of dual-locomotive traction, with the increase of traction current, the old signal track resistance transformer has been unable to meet the need of passing large current and the ability of anti-traction current disturbance is greatly reduced. The signal Equipment failure occurs from time to time, especially in the mountainous section of large slope is particularly obvious. In order to solve this problem, the Ministry of Railways invested in the anti-interference reconstruction project of orbital circuit in Xiang-Yu Line. The station in this paragraph 16 stations in 1996 and 1997, the effect of a significant transformation, a substantial reduction in rail circuit failure. However, with the new equipment put into use, but also exposed some of its deficiencies, we gradually solved in practice